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Synlett 2000; 2000(3): 371-373
DOI: 10.1055/s-2000-6515
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The Use of Propane Phosphonic Acid Anhydride (PPAA) in the Synthesis of N-Acyloxythiazole-2(3H)-thiones

Jens Hartung* , Michaela Schwarz
  • *Institut für Organische Chemie, Universität Würzburg, Am Hubland, D-97074 Würzburg, Germany; Fax +49 (0) 9 31/8 88 46 06; E-mail: hartung@chemie.uni-wuerzburg.de
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Publication Date:
31 December 2000 (online)

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A mild and efficient new method for the preparation of O-acyl derivatives of N-hydroxythiazole-2(3H)-thiones and N-hydroxypyridine-2(1H)-thiones (Barton-anhydrides) for cyclic thiohydroxamic acids, carboxylic acids, propane phosphonic acid anhydride (PPAA) and 1,4-diazabicyclo[2.2.2]octane (DABCO) was developed.

thiohydroxamic acid - propane phosphonic acid anhydride - pyridinethione - thiazolethione - carbon radical precursor

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